Armand M. Nicholi, M.D., Jr. is a clinical professor of psychiatry at Harvard Medical School and the Massachusetts General Hospital. His clinical work and research has focused on the impact of absent parents on the emotional development of children and young adults. He is the editor and coauthor of the classic The Harvard Guide to Psychiatry (3rd edition, 1999). He was also a founding board member of the Family Research Council.

He has taught a course on Sigmund Freud and C. S. Lewis at Harvard College and the Harvard Medical School for more than 35 years.[1] For 15 years he served as the psychiatrist for the New England Patriots. He also has an active practice and serves as a consultant to government groups, corporations, and professional athletes. He is married, with two children, and lives in Concord, Massachusetts.